This science fair project idea investigates how optical distances change the apparent size of an object as seen through a magnifying lens.

Science fair project that examines condensation and the conditions needed in order for dew to form.

The purpose of this science fair project is to explore whether UV light passes through some colors and not others by looking at blue, red, purple, and clear.

Help your second grader observe the phases of the moon, and then let the fun loose: he'll get to chart his observations with marshmallows!

When you cut a flower to put into a vase, it'll eventually wilt, even with water and sunshine. But is there another scientific secret to keeping flowers fresh?

In this activity, your student will be invited to build a chair out of building blocks that is designed to meet the specific size and shape of a small doll or toy figure.

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

When you rub a balloon on your head, your hair stands up; but is that true for everyone? Does hair color affect static electricity?

This science fair project examines how seeds hitchhike on animals and clothing.

Milk is made of water and fat; but how can you separate the two? Find out in this color changing milk experiment.

This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

By incorporating natural materials and the powers of observation, your child will become a backyard naturalist while building early writing and drawing skills!

In this activity your child will create their very own marble maze!

This science fair project teaches students the differences between fruits and vegetables.

This science fair project idea demonstrates that plants give off water.

Be a chemist for a day and study the simple reaction between sugar and heat. Try heating sugar and see what happens!

Kids construct a single fixed pulley system to learn how pulleys can make work easier in this cool physics and engineering science fair project idea.

Children will learn all about cause and effect as they experiment with potion-making in this Halloween themed activity.

In this fun design challenge, your child will get creative with making structures out of toothpicks and gumdrop candies.

How does water pressure change with depth? Kids learn how pressure works underwater with this cool and easy demo.

In this project children practice the scientific method while playing with puffy paint.

In this project combining nature, art, math, and science, children make rubbings of leaves then observe shapes and structures and sort the leaf images.

This science fair project will help students learn about non-vascular plants, such as mosses.

Kids will learn how to make a thermometer to to explore liquid density in this great science fair project. Which liquids are affected by temperature the most?

How do organic materials become soil? This science experiment measures what materials biodegrade.

How does the size of a vibrating surface affect the pitch of a drum? Learn about drum size and pitch with this easy science fair project idea.

In this activity, your child will be asked to create a boat that can successfully float while holding 25 pennies.

This classic children's game demonstrates how sound travels through air vs. through a solid.